Christina Aguilera helped kick off Sunday's Super Bowl with a singer's nightmare, flubbing the words of "The Star-Spangled Banner" about 40 seconds into the song as tens of millions prepared to watch the game between the Green Bay Packers and the Pittsburgh Steelers.

Standing at midfield at Texas' Cowboys Stadium, the singer-actress mixed a previously sung clause with the one she was supposed to be on.

Here's what she sang, with the error in bold:

"O say can you see, by the dawnâ€™s early light,
What so proudly we hailâ€™d at the twilightâ€™s last gleaming,
Whose broad stripes and bright stars through the perilous fightWhat so proudly we watched at the twilightâ€™s last [unintelligible].â€ť

That fourth line was supposed to be: "O'er the ramparts we watch'd were so gallantly streaming."

In a statement released by her publicist, Aguilera explained what happened:

"I got so lost in the moment of the song that I lost my place," the singer said. "I can only hope that everyone could feel my love for this country and that the true spirit of its anthem still came through."

The list includes Michael Bolton's effort at aÂ 2003 playoff baseball game in Boston's Fenway Park,Â where heÂ had to pause midsongÂ and check some notes before correctlyÂ getting through the same line that troubled Aguilera.

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